Portion of a shoe sole



FIG. 1 is a perspective view of a portion of a shoe sole showing my new design, the broken lines showing a shoe and remaining portion of sole throughout the views being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken-line showings of a rear portion of a sole in FIGS. 1-6 and of a shoe in FIGS. 1 and 4 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a shoe sole, as shown and described. 